GNU bug report logs - #78497
[PATCH] environment: Provide a writable /run/user/$UID.

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Message #19 received at 78497-done <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Tomas Volf <~@wolfsden.cz>
Cc: 78497-done <at> debbugs.gnu.org
Subject: Re: [bug#78497] [PATCH] environment: Provide a writable
 /run/user/$UID.
Date: Sat, 24 May 2025 15:39:43 +0200

Tomas Volf <~@wolfsden.cz> writes:

> Ludovic Courtès <ludo <at> gnu.org> writes:
>
>>> For normal users this is fine, but for root the whole /run should be
>>> writable, the way it is on normal system.  Thoughts?
>>
>> For root, the whole root file system should be writable.
>
> Well... That would be one way to solve this.  Default to --writable-root
> if UID is zero.
>
>> So I wonder if it makes sense to special-case the above to be “/run”
>> when UID is zero; WDYT?
>
> I was thinking about programs that are expected to be run as a root and
> have hard-coded PID file, lock file or something else under /run.  But I
> have no example to put forward.  So maybe your version is enough, and we
> can revisit this in another pass later if the need realizes?

Yeah, probably.  Pushed as f8527e7f2044ec7bb19efcb25158ec7aa0fe5fa3.

Let’s see if we need something else now.  :-)  I’m less concerned about
guest UID zero, because that’s probably an uncommon use case.

Thanks!

Ludo’.

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